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公开(公告)号：US20240306322A1
公开(公告)日：2024-09-12
申请号：US18544509
申请日：2023-12-19
发明人： Weiran CAO , Rong XIA
IPC分类号： H05K5/02
CPC分类号： H05K5/02
摘要： A curved display device and a curved display panel are provided. The curved display panel has a first side surface and a second side surface opposite to each other, and includes a first edge, a second edge, a third edge, and a fourth edge sequentially connected end to end. The first side surface is a smooth display surface. The first edge is opposite to the third edge, the second edge is opposite to the fourth edge, the first edge and the third edge are oppositely bent towards the first side surface, and the second edge and the fourth edge are oppositely bent towards the first side surface. The first edge, the second edge, the third edge, and the fourth edge of the curved display panel sequentially intersect at four corner points, and circle center points of curvature circles corresponding to the four corner points are located at a same point.
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公开(公告)号：US20240179953A1
公开(公告)日：2024-05-30
申请号：US18084877
申请日：2022-12-20
发明人： Jiexin ZHENG , Weiran CAO , Wei LU , Quan CHENG
IPC分类号： H10K59/122 , H10K50/824 , H10K71/00
CPC分类号： H01L27/3246 , H01L51/5228 , H01L51/56 , H01L2227/323
摘要： A display panel and an electronic device are provided. In the display panel, by disposing an auxiliary electrode in a first opening of a pixel definition layer, a first electrode is electrically connected to an auxiliary electrode line through the auxiliary electrode, so as to reduce a resistance of the first electrode. Therefore, uneven display due to voltage drop is remedied, so that a problem of large cathode resistance existing in a current display panel is relieved. Meanwhile, the first opening of the pixel definition layer of the present application exposes a part of a lateral wall of the auxiliary electrode. An organic light-emitting layer is cut off at a position of the first opening exposing the at least part of the lateral wall. The first electrode is electrically connected to the at least part of the lateral wall exposed by the organic light-emitting layer.
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公开(公告)号：US20240260434A1
公开(公告)日：2024-08-01
申请号：US18194398
申请日：2023-03-31
发明人： Zhiyuan YIN , Weiran CAO , Ting SHI
IPC分类号： H10K59/80
CPC分类号： H10K59/8793 , H10K59/873
摘要： Embodiments of the present disclosure are directed to a display panel and a display device. The display panel includes a light-emitting functional layer disposed on a substrate, a dimming metal array layer disposed on a side of the light-emitting functional layer away from the substrate, and a circular polarizer. The circular polarizer includes a linear polarizing layer and a quarter-wave plate disposed on a side of the dimming metal array layer away from the light-emitting functional layer. The dimming metal array layer is configured to convert light into elliptically polarized light. A included angle between an elliptical long axis direction of the elliptically polarized light and a light transmission axis direction of the linear polarizing layer is less than or equal to 45 degrees.
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公开(公告)号：US20240114711A1
公开(公告)日：2024-04-04
申请号：US17974639
申请日：2022-10-27
发明人： Zhijun WAN , Jinchuan LI , Weiran CAO
IPC分类号： H01L51/50
CPC分类号： H01L51/5072 , H01L51/5092 , H01L2251/303
摘要： An OLED display panel comprises an overlapping area, and further includes a driving circuit layer, a light-emitting functional layer, a cathode layer, and a conductive layer. In the overlapping area, a terminal of the driving circuit layer, a first conductive layer and a second conductive layer of the conductive layer, an electron transport layer and an electron injection layer of the light-emitting functional layer, and the cathode layer are disposed sequentially from bottom to top. The first conductive layer includes a plurality of protrusions. Each of the electron transport layer and the electron injection layer is disconnected at the protrusions, and the cathode layer is in contact with the protrusions.
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公开(公告)号：US20220320434A1
公开(公告)日：2022-10-06
申请号：US16758998
申请日：2020-01-13
发明人： Aiguo TU , Jinchuan LI , Weiran CAO , Yuanchun WU
摘要： A manufacturing method of a display panel and a display panel are provided by the application. The manufacturing method of the display panel includes steps of providing a substrate; forming a thin film transistor layer, an anode layer, and a pixel definition layer on the anode layer on the substrate, wherein the pixel definition layer comprises a plurality of pixel definition regions; printing an ink-jet printing ink on the anode layer inside the pixel definition regions to form an ink-jet printing precursor layer; and printing a membrane surface improving solvent on the ink-jet printing precursor layer, wherein after the membrane surface improving solvent volatilizes, an ink-jet printing layer is formed.
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公开(公告)号：US20240074291A1
公开(公告)日：2024-02-29
申请号：US17764998
申请日：2022-03-02
发明人： Weiran CAO , Shijian QIN , Hui HUANG , Min ZHANG
CPC分类号： H10K59/874 , H10K59/873 , H10K71/861 , H10K2102/311
摘要： Embodiments of the present disclosure provide a flexible display panel and a manufacturing method thereof, wherein the flexible display panel includes: an array substrate; an organic light emitting layer disposed on the array substrate; a dam disposed on the array substrate and disposed to surround the organic light emitting layer; and an encapsulation layer covering the organic light emitting layer and the dam, wherein the dam comprises a first side surface close to the organic light emitting layer, and a second side surface away from the organic light emitting layer, and the second side surface is disposed with at least one of a groove, a stepped structure, or a sharp corner structure.
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公开(公告)号：US20240040834A1
公开(公告)日：2024-02-01
申请号：US17623604
申请日：2021-12-17
发明人： Weiran CAO , Gaobo LIN , Yuanjun HSU
IPC分类号： H10K59/121 , H10K59/124
CPC分类号： H10K59/1213 , H10K59/124
摘要： A flexible display panel and a flexible array substrate are provided. The flexible display panel includes a flexible base and a thin film transistor. The thin film transistor includes an active layer, and the active layer is arranged on the flexible base. Open pores are formed in the active layer. The open pores penetrate through at least one part of the active layer.
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公开(公告)号：US20240029649A1
公开(公告)日：2024-01-25
申请号：US17620700
申请日：2021-12-16
发明人： Weiran CAO , Kuo GAO , Baixiang HAN
IPC分类号： G09G3/3233 , G09G3/20
CPC分类号： G09G3/3233 , G09G3/2007 , G09G2300/0852
摘要： A display panel is disclosed. The display panel includes a pixel driving circuit. The pixel driving circuit includes: a first transistor, wherein the first transistor and a light-emitting device are series-connected between a first power line and a second power line; and a second transistor, wherein the second transistor and the light-emitting device are series-connected between the first power line and the second power line. A width-to-length ratio of the first transistor is greater than a width-to-length ratio of the second transistor. A display device is further disclosed.
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公开(公告)号：US20220407036A1
公开(公告)日：2022-12-22
申请号：US17255490
申请日：2020-12-18
发明人： Lixuan CHEN , Weiran CAO
摘要： A display panel, an array substrate, an organic light-emitting diode (OLED) functional layer, a packaging layer, a filling layer, a protective layer, an edge packaging glue, and nanoparticles are provided. The nanoparticles are uniformly provided in the filling layer or the protective layer of the panel, and the nanoparticles can effectively increase the light diffusion effect, so the viewing angle of the display panel can be effectively improved.
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公开(公告)号：US20210351371A1
公开(公告)日：2021-11-11
申请号：US16980442
申请日：2020-05-21
发明人： Shipan WANG , Ting SHI , Weiran CAO
摘要： An embodiment of the present invention provides a display panel. The display panel includes a driving circuit layer, a first electrode layer, an auxiliary electrode layer, a pixel definition layer, and an electron transport layer disposed in a stack. The electron transport layer is connected to the auxiliary electrode layer through a first via hole defined on the pixel definition layer. By setting an energy level difference between a lowest unoccupied molecular orbital of the electron transport layer and a work function of the auxiliary electrode layer to 2.0 eV or less, it reduces an injection barrier between the auxiliary electrode layer and the electron transport layer, and relieves unevenness of luminescence of the display panel.
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